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Finding the Fourth Proportional to 360,893.32, 498,026.74 and 199,744.94

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Solution

The fourth proportional to 360,893.32, 498,026.74 and 199,744.94 is: 275,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,893.32 : 498,026.74 = 199,744.94 : x
  2. Step 2: Convert to fraction form
    360,893.32/498,026.74 = 199,744.94/x
  3. Step 3: Cross multiply
    360,893.32x = 498,026.74 × 199,744.94
  4. Step 4: Simplify right side
    360,893.32x = 99,478,321,299.70
  5. Step 5: Solve for x
    x = 99,478,321,299.70/360,893.32
  6. Step 6: Final answer
    x = 275,644.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.